January Weather in Defiance, United States

Last updated: June 24, 2025

In January, the average temperature in Defiance, United States hovers around -2°C (29°F). Expect a chilly range as temperatures can dip to a minimum of -25°C (-12°F) but may also reach a pleasant 18°C (64°F). With 72 mm (2.8 in) of precipitation spread over 8 days, the atmosphere is quite humid, averaging around 88%. Prepare accordingly for a winter experience!

January Temperature in Defiance

In January in Defiance, the average temperature is -2°C (29°F). Maximum temperatures can reach 18°C (64°F), while minimums can drop as low as -25°C (-12°F). Travelers should be prepared for a wide range of temperatures and dress accordingly.

January Weather in Defiance: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Defiance, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Defiance, January typically has an average temperature of -2°C (29°F), with highs reaching up to 18°C (64°F) and lows dropping to around -25°C (-12°F).

Data source: Temperature data for Defiance generated using information from the Copernicus Climate Change Service.

January Precipitation in Defiance

In Defiance in January, the precipitation amount is 72 mm (2.8 in) over the course of 8 days.

January Precipitation Trends in Defiance

The chart displays monthly precipitation patterns in Defiance, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Defiance, January typically receives around 72 mm (2.8 inches) of precipitation spread over approximately 8 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

January Humidity in Defiance

In Defiance in January, humidity is 88%. With an average temperature of -2°C (29°F), this humidity feels like a biting chill in the air that penetrates layers of clothing, making outdoor activities challenging and potentially uncomfortable for travelers.

January Average Humidity in Defiance

This chart illustrates the average monthly humidity levels in Defiance, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Defiance is approximately 88%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Defiance

In Defiance in January, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Defiance, you can check the information here.

Maximum UV Index Levels in Defiance for January

The chart shows the monthly maximum UV Index (UVI) for Defiance in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Defiance typically reaches 3, which falls under the moderate exposure category.

Data source: Defiance January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How January Weather in Defiance Compares to Other Months

Weather in Defiance varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Defiance, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Defiance, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-2°C (29°F)	72 mm (2.8 inches)	88%	moderate
February Weather	-1°C (31°F)	74 mm (2.9 inches)	87%	moderate
March Weather	4°C (40°F)	93 mm (3.7 inches)	87%	high
April Weather	10°C (50°F)	94 mm (3.7 inches)	87%	very high
May Weather	17°C (62°F)	139 mm (5.5 inches)	81%	very high
June Weather	22°C (72°F)	121 mm (4.7 inches)	82%	very high
July Weather	24°C (76°F)	115 mm (4.5 inches)	81%	very high
August Weather	23°C (74°F)	92 mm (3.6 inches)	78%	very high
September Weather	20°C (68°F)	66 mm (2.6 inches)	78%	very high
October Weather	14°C (57°F)	91 mm (3.6 inches)	82%	high
November Weather	5°C (41°F)	84 mm (3.3 inches)	89%	moderate
December Weather	1°C (35°F)	57 mm (2.2 inches)	86%	low